Bob Hadley
Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.
Home Shop Machinist
Conrad Norquist shows how the 6061 tubes supplied with Airdrome Aeroplanes kits are easily bent using wood templatesMechanics from aviation's golden age did...
Parallels, Stops, and Travel Limiters
Although the title might suggest it, this is not about parallel parking, speeding tickets, or driving of any kind.
Chasing the Elusive Thread
Chasing a thread (B) on the lathe involves engaging the feed system to make several passes using the 60-degree thread-form tool (A) until...
Machinery Mobilization
Rich Seifert next to his Shopsmith Mark V combo machine. Factory wheels make the Mark V easy to maneuver.
I've yet to meet someone...
In Case You Missed It
Ask the DAR
This month DAR Mel Asberry tackles questions about modifying an aircraft and the flight testing required, what should be on a dataplate, and what you need to know about getting an airworthiness certificate after completing a partially built aircraft.